// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef UI_COMPOSITOR_LAYER_ANIMATION_DELEGATE_H_
#define UI_COMPOSITOR_LAYER_ANIMATION_DELEGATE_H_

#include "third_party/skia/include/core/SkColor.h"
#include "ui/compositor/compositor_export.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/transform.h"

namespace cc {
class Layer;
}

namespace ui {

class LayerAnimatorCollection;
class LayerThreadedAnimationDelegate;

// Layer animations interact with the layers using this interface.
class COMPOSITOR_EXPORT LayerAnimationDelegate {
public:
    virtual void SetBoundsFromAnimation(const gfx::Rect& bounds) = 0;
    virtual void SetTransformFromAnimation(const gfx::Transform& transform) = 0;
    virtual void SetOpacityFromAnimation(float opacity) = 0;
    virtual void SetVisibilityFromAnimation(bool visibility) = 0;
    virtual void SetBrightnessFromAnimation(float brightness) = 0;
    virtual void SetGrayscaleFromAnimation(float grayscale) = 0;
    virtual void SetColorFromAnimation(SkColor color) = 0;
    virtual void ScheduleDrawForAnimation() = 0;
    virtual const gfx::Rect& GetBoundsForAnimation() const = 0;
    virtual gfx::Transform GetTransformForAnimation() const = 0;
    virtual float GetOpacityForAnimation() const = 0;
    virtual bool GetVisibilityForAnimation() const = 0;
    virtual float GetBrightnessForAnimation() const = 0;
    virtual float GetGrayscaleForAnimation() const = 0;
    virtual SkColor GetColorForAnimation() const = 0;
    virtual float GetDeviceScaleFactor() const = 0;
    virtual cc::Layer* GetCcLayer() const = 0;
    virtual LayerAnimatorCollection* GetLayerAnimatorCollection() = 0;
    virtual LayerThreadedAnimationDelegate* GetThreadedAnimationDelegate() = 0;

protected:
    virtual ~LayerAnimationDelegate() { }
};

} // namespace ui

#endif // UI_COMPOSITOR_LAYER_ANIMATION_DELEGATE_H_
